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Electricity and electromagnetism: Webquest BBC Electricity and Magnetism http://www.bbc.co.uk/schools/ks3bitesize/science/energy_electricity_forces/magnets_electric_effects/activity.shtml Questions: 1. Why is an iron core needed in an electromagnet? 2. How are electromagnets different to either temporary or permanent magnets? 3. What happens when you add more coils to the wire in an electromagnet? What else can you do to increase the magnetic field of an electromagnet? Electromagnet Simulation
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150 years ago‚ approximately around 1886‚ electricity was becoming a very exciting thing as AC plants started to appear all over the world. This meant great change for not only our establishments but also‚ for families that were near it and could afford it. It was the dawn of aluminum‚ cars and now a better way of life with electricity‚ life was about to get more exciting as well as easier for many families. Around the time of the late 1800’s‚ under the idea of “separate spheres”‚ caring for children
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(age 30) Ref. No. 1978 Proposed Insurance Id Term/ PPT Com.Date Plan Name Basic Sum Assured Term Rider SA Accident Rider SA Crit.Illness. Rider SA Premium Waiver Md. Install. Premium 1 28/09/2013 5-Whole Life Ltd.Pay.WP 16/16 1‚00‚000 0 1‚00‚000 0 - S 2 28/09/2013 165-Jeevan Saral 16/16 2‚00‚000 0 2‚00‚000 0 - S 817 3 28/09/2013 179-New Bima Gold 16/16 3‚00‚000 0 3‚00‚000 0 -
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The overuse of electricity affects the ecosystem in several ways. The overuse of electricity can lead to an increased carbon footprint‚ increased climate change‚ reduction in supply‚ and high energy costs. The abiotic factors that contribute are electricity‚ smoke‚ temperature‚ climate‚ and mining. The biotic factor that affects it is people. Leaving your laptop plugged in all the time will use up 300 kilowatts an hour each year. A natural consequence of overusing energy is increased costs for you
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Definition 1. “BCG matrix (or growth-share matrix) is a corporate planning tool‚ which is used to portray firm’s brand portfolio or SBUs on a quadrant along relative market share axis (horizontal axis) and speed of market growth (vertical axis) axis.” 2. “Growth-share matrix is a business tool‚ which uses relative market share and industry growth rate factors to evaluate the potential of business brand portfolio and suggest further investment strategies.” Understanding the tool BCG matrix is
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Electricity is the set of physical phenomena associated with the presence and flow of electric charge. Electricity gives a wide variety of well- know effects such as lightning‚ static electricity‚ electro magnetic induction and the flow of electrical current. In addition‚ electricity permits the creation and reception of electromagnetic radiation such as radio waves. Electrical phenomena have been studied since antiquity‚ though advances in the science were not made until the seventeenth and eighteenth
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MGMT 3000 THE WALLINGFORD BOWLING CENTER A‚ Wallingford Bowling Center is facing low profit performance after four years in business. This reduced in profit is due to many factors. As we have seen ‚ wallingford is not operating in full capacity for most days of the week but it is still open for twenty four hours regardless of its operation. The net income is 2.38 percent of he total revenue generated and it shows that operation cost is very high. Having the above mentioned problems and more
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Hazards of Static Electricity; Lightning Lightning is a massive electrostatic discharge between the electrically charged regions within clouds or between a cloud and the surface of a planet. It is the sudden high-current discharge caused by the atmosphere’s electrical breakdown. Lightning is also one of the most deadly natural phenomena known to man. Lightning is an electric current; thus within a thundercloud up in the sky‚ many small bits of ice (frozen raindrops) collide into each other as
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Atomic Structure & Electricity 1. Draw an atom with an atomic number of 12. Label the protons‚ neutrons‚ and electrons. Use the periodic table to identify which atom you have drawn. 2. How many valence electrons are present in this atom? 2 3. Would this atom prefer to gain or lose electrons? Why? Lose‚ because the octet rule dictates that if there is less than 4 valance electrons‚ they would prefer to leave the atom. 4. Describe the differences between conductors‚ semiconductors
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